Home / 199,264.67-274,979.73-108,622.40

Finding the Fourth Proportional to 199,264.67, 274,979.73 and 108,622.40

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Solution

The fourth proportional to 199,264.67, 274,979.73 and 108,622.40 is: 149,895.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,264.67 : 274,979.73 = 108,622.40 : x
  2. Step 2: Convert to fraction form
    199,264.67/274,979.73 = 108,622.40/x
  3. Step 3: Cross multiply
    199,264.67x = 274,979.73 × 108,622.40
  4. Step 4: Simplify right side
    199,264.67x = 29,868,956,849.05
  5. Step 5: Solve for x
    x = 29,868,956,849.05/199,264.67
  6. Step 6: Final answer
    x = 149,895.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.